forms at night when land cools from loss of radiation (ie, when the sun goes down). Forms in low-lying areas.

Upslope fog

forms via adiabatic cooling of humid air which is forced up a slope of a mountain.

Advection fog

forms when warm air flows over cold surface (cold coastal areas or cold-water currents out in the middle of the ocean)

Steam fog

forms in late summer/early fall as cool air moves over warm water in ponds/lakes/streams. (Water is at its warmest from absorbing summer heat, air masses are the first cool air masses of autumn – air directly over water warms, but as it rises into cooler air above, reaches dew point and forms fog – looks like the lake is “steaming”)